Do you offer certifications for your products?

Yes, our products are certified under ISO9001:2000, CE, and SGS.

What are the lead times for orders?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

What payment terms do you accept?

We accept LC, T/T, D/P, PayPal, Western Union, and O/A.

Cold Formed Welded Carbon Square Steel Tube ASTM A500 Grade a

Name: Cold Formed Welded Carbon Square Steel Tube ASTM A500 Grade a
Brand: Chengdu Derbo Steel Co., Ltd
SKU: 784384985

Sichuan, ChinaChengdu Derbo Steel Co., Ltd

US$450.00

5 Tons

Product profile

Customization

Available

Technique

Hot Rolled

Surface Treatment

Coated

Model NO.

tube

Usage

Pipeline Transport, Oil/Gas Drilling, Mining

Section Shape

Square

Standards

ASTM A53-2007, GB/T 3094-2000, JIS G3466, En10219

Grade

10#-45#, Q195-Q345, St35-St52, 10#, 20#, 45#, Q195

Thickness

1.5 - 30 mm

Outer Diameter

20*20mm-300*300mm

Length

2-12 M, or According to Customers' Requirements

Surface Treatments

Galvanized or None

Wall Thickness

Thick & Thin

Alloy

Non-Alloy

Transport Package

in Bundle

Specification

BS, ASTM, JIS, GB, DIN, AISI, 200*200mm-800*800mm

Trademark

DERBO

Origin

Hebei, China (Mainland)

Production Capacity

250000 Tons/Year

Key features

Wide Size Range: Square sizes from 20x20mm to 200x200mm and rectangular sizes up to 250x150mm.

Multiple Surface Options: Available with Bared, Oil, Galvanized, Paint, or other surface treatments.

Diverse Material Grades: Includes Q195, Q235, Q275, Q345, S355, St33, St37, St52, and ASTM grades.

Flexible Length Customization: Standard lengths 3-12m available, or customized according to customer requirements.

High Production Capacity: Monthly productivity reaches 15,000 tons to ensure timely delivery.

Comprehensive Certifications: Products certified under ISO9001:2000, CE, and SGS standards.

Multiple Manufacturing Techniques: Produced via Hot Rolled, Cold Rolled, ERW, High-frequency welded, and Extruded methods.

Versatile Application Scope: Suitable for machinery manufacture, roads, bridges, construction, and transportation.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExperienced TeamIn-stock Capacity

Chengdu Derbo Steel Co., Ltd

Sichuan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2006-08-08Nearest Port: Tianjin port, Guangzhou port, Shanghai portAverage Response Time: ≤0.91hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, CPT, Others

AI-Powered supplier vetting

SummaryThe supplier demonstrates customization and ODM capabilities, maintains inventory capacity, accepts multiple trade and service-payment terms, and reports ISO9001:2015 and CE certifications. However, its service-management procedures lack written records, and it has no overseas showroom, overseas agents or branches, overseas warehouse, or offline trade-show participation. No new products were reported in the past year, and digital management capabilities appear limited, with no ERP, CRM, SAP, SDK, or AI-based management implementation identified. Financial information supplied for the stated periods consists of zero values, which does not establish financial credibility. Evidence of named customers, completed projects, or recognized-brand OEM work is absent.

CertificationsThe supplier reports an ISO9001:2015 certificate and CE product certification capability. It also states that regular fire drills were conducted during the past year, supporting operational safety practice, although no additional certification details are provided.

After-Sales capabilityThe supplier has written procedures for service assessment, corrective and preventive action, and customer complaints, but has no written records demonstrating implementation. It lacks overseas service infrastructure and overseas warehouse capability, while offering multiple quotation and payment terms and reporting one-month lead times in both peak and off-season.

Financial creditThe supplied financial indicators for the stated periods are all recorded as zero, including operating revenue, costs, profit, gross margin, and current ratio. This information does not demonstrate financial strength or reliable financial performance.

R&D capabilityThe supplier offers ODM and multiple forms of customization, but reports no new products in the past year and no available SDK. It also reports no ERP, CRM, SAP, or AI-based management implementation, while the stated technical-transformation, big-data, and OA capability values are zero.

Customization capabilityThe supplier explicitly provides customization from samples, customization from designs, full customization, minor customization, flexible customization, and ODM services. These stated offerings provide clear evidence of broad customization capability.